Īchu AL, Reghunath R, Thomas J (2019) Mapping of groundwater recharge potential zones and identification of suitable site-specific recharge mechanisms in a tropical river basin. In the future, it will be very useful to identify new locations for good groundwater resources as well as to manage water resources sustainably.Ībijith D, Saravanan S, Singh L, Jennifer J, Saranya T, Parthasarathy K (2020) GIS-based multi-criteria analysis for identification of potential groundwater recharge zones – a case study from Ponnaiyary watershed, Tamil Nadu, India. ![]() With the help of groundwater level data, a groundwater potential zone was validated. According to results, groundwater potential zones were found to be covering this region in increasing order such as high groundwater potential, low groundwater potential, and medium groundwater potential. Groundwater potential is influenced by land use, geomorphology and geology. In this study, groundwater potential maps were obtained using GIS and remote sensing techniques by weighted overlay analysis. Groundwater potential zone is delineated by seven influencing factors including geology, geomorphology, soil, land use/land cover, slope, lineament and drainage density. A number of thematic maps were prepared with ArcGIS software as part of this study. Each feature's weighting and ranking were calculated using the multi-influencing factor method and literature review. The purpose of this study is to identify suitable groundwater recharge zones to satisfy this region's water resource demand. This work was carried out in the hard rock terrain of Madurai district, Tamil Nadu, India. ![]() An irregular climate and overpopulation have contributed to the groundwater crisis in recent years, resulting in overexploitation and overstressed aquifers. The development of groundwater resources has been challenged due to an increase in water demand.
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